4.4. 检查远程镜像

在将镜像拉取到系统之前,请使用 skopeo inspect 命令显示远程容器注册中心中的镜像信息。

先决条件

  • container-tools 元数据包已安装。

流程

  • container-tools 元数据包已安装。
  • 检查 registry.redhat.io/ubi9/ubi-init 镜像:

    # skopeo inspect docker://registry.redhat.io/ubi9/ubi-init
    {
        "Name": "registry.redhat.io/ubi9/ubi9-init",
        "Digest": "sha256:c6d1e50ab...",
        "RepoTags": [
            ...
            "latest"
        ],
       "Created": "2020-12-10T07:16:37.250312Z",
        "DockerVersion": "1.13.1",
        "Labels": {
            "architecture": "x86_64",
            "build-date": "2020-12-10T07:16:11.378348",
            "com.redhat.build-host": "cpt-1007.osbs.prod.upshift.rdu2.redhat.com",
            "com.redhat.component": "ubi9-init-container",
            "com.redhat.license_terms": "https://www.redhat.com/en/about/red-hat-end-user-license-agreements#UBI",
            "description": "The Universal Base Image Init is designed to run an init system as PID 1 for running multi-services inside a container
            ...
        }
    }

其他资源

  • skopeo-inspect 手册页